Hyper-V core NIC speeds and registry changes
- by gary
Good afternoon,
On a Dell PE T610 I have Hyper-V core running, with 2 x Broadcom BCM5709C NetXtreme II GigE installed. I have noticed that copying large files 17GB for example, from a network physical server to the Hyper-V host local drive [not vm guest] is very slow in comparison to copying from Physical to Physical servers.
Copying a 17GB file physical to Hyper-V host takes 30 minutes
Copying a 17GB file physical to physical host takes 15 minutes
Can someone tell me exactly what registry nodes I should disable on Hyper-V NICs to improve performance. So far I have gone to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class{4 D36E972-E325-11CE-BFC1-08002BE10318} and set the following to 0 on both physical NICs:
*LSOv1IPv4
*LSOv2IPv6
*TCPUDPChecksumOffloadIPv4
*TCPUDPChecksumOffloadIPv6
Should I also disable *TCPConnectionOffloadIPv4 & *TCPConnectionOffloadIPv6?
Many thanks in advance
